BuildingPermitCost Washington permit fees at a glance
This page covers 9 cities and 1 county in Washington, each priced from its own official fee schedule. For the same $75,000 addition, totals run from $1,037.75 in Bellingham to $4,225.50 in King County, with a Washington median of $1,357.44, 65% above the median of $820.58 across all 267 places on this site.
The most common pricing method here is a fee table based on project value (9 of 10), followed by a rate per square foot (1). For project value, 6 places use the ICC Building Valuation Data table, 1 place uses floor area instead of value and 1 place uses a local valuation table.
10 of 10 charge a separate plan review fee; the most common rate is 65% of the permit fee (7 places). 7 add a state surcharge to the total, printed for example as "State Building Code Council (SBCC) surcharge" and "State Building Code Fee (RCW 19.27.085)".
6 of 10 schedules state an effective date, 6 of them from 2025 or later. Every page shows its effective date and the date we last checked it against the official source.
| Project | Washington median | National median | Places |
|---|---|---|---|
| $25,000 remodel | $652.06 | $380.00 | 10 |
| $75,000 addition | $1,357.44 | $820.58 | 10 |
| $350,000 new home | $3,956.19 | $2,918.63 | 10 |
Calculate your own project · Compare Washington places side by side · Fees people often miss
Cities
| Jurisdiction | $25k remodel | $75k addition | $350k new home | Verified |
|---|---|---|---|---|
| Auburn | $907.17 | $1,897.17 | $6,022.17 | Nov 5, 2026 |
| Bellingham | $501.50 | $1,037.75 | $2,977.63 | Nov 5, 2026 |
| Federal Way | $1,590.48 | $3,300.54 | $9,587.83 | Nov 5, 2026 |
| Kennewick | $652.06 | $1,357.44 | $3,956.19 | Nov 5, 2026 |
| Pasco | $652.06 | $1,357.44 | $2,450.25 | Nov 5, 2026 |
| Redmond | $2,173.25 | $3,978.33 | $11,445.83 | Nov 5, 2026 |
| Seattle | $1,042.23 | $2,163.11 | $5,488.98 | Nov 4, 2026 |
| Spokane | $447.93 | $1,087.78 | $3,482.95 | Nov 4, 2026 |
| Yakima | $624.97 | $1,300.47 | $3,828.69 | Nov 5, 2026 |
Counties
| Jurisdiction | $25k remodel | $75k addition | $350k new home | Verified |
|---|---|---|---|---|
| King County | $2,157.50 | $4,225.50 | $14,164.50 | Nov 4, 2026 |
Washington permit fee questions
How much is a building permit in Washington?
It depends on the city or county, because each sets its own fees. Across the 10 places we cover in Washington, the median for a $75,000 addition is $1,357.44 and for a $350,000 new home $3,956.19, including plan review and required surcharges.
Which Washington places have the lowest and highest permit fees?
For a $75,000 addition, the lowest total we found is $1,037.75 in Bellingham, WA and the highest is $4,225.50 in King County, WA. The tables on this page list every place we cover.
Are Washington state fees included?
Yes, where the local schedule adds them to the permit. 7 of the 10 Washington schedules we cover include a state surcharge, and each city page shows it as its own line.
Totals use each jurisdiction's own formula for a 300 sq ft remodel, a 400 sq ft addition and a 2,400 sq ft wood-frame home. Trade permits and conditional fees are not included. Fees are estimates based on the official schedules; confirm with the permit office before applying.